As a Tutor, I, Sawada Tsunayoshi, Am Never Useless

This is a story about A Gang who is a tutor in time travel. It is an inspiration to not follow the old useless path and to be an excellent person. As for the plot, let's just leave it as it is. Power system setting: Qi that people practice - referring to Dragon Ball, some moves from Dragon Ball will be introduced; it is divided into seven attributes: sky, clear, lan, rain, thunder, fog, and cloud; the level is divided into four realms: God, Earth, Xuan, and Human, and each realm is divided into ten small realms. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.